<template>
  <span :class="cla">{{ index + 1 }}: {{ result }}</span>
</template>

<script>
export default {
  props: ["result", "index"],
  computed: {
    cla() {
      if (this.result == "正确") {
        return "right";
      } else if (this.result == "错误") {
        return "error";
      } else {
        return "undo";
      }
    },
  },
};
</script>

<style scoped>
.right {
  color: green;
}
.error {
  color: red;
}
.undo {
  color: #ccc;
}
</style>